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Trade Accounts Receivable (Tables)
3 Months Ended
Mar. 31, 2020
Trade Accounts Receivable [Abstract]  
Changes in Allowance for Doubtful Accounts
The following table summarizes the changes in the allowance for doubtful accounts during the three month period ended March 31, 2020:

(In thousands)
 
Allowance for
Doubtful Accounts
 
Balance at December 31, 2019
 
$
6,913
 
Adoption of ASU 2016-13
   
853
 
Provision for expected credit losses
   
240
 
Accounts written off
   
(336
)
Translation and other activity
   
(643
)
Balance at March 31, 2020
 
$
7,027